Home / 638,843.10-881,601.62-366,928.53

Finding the Fourth Proportional to 638,843.10, 881,601.62 and 366,928.53

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Solution

The fourth proportional to 638,843.10, 881,601.62 and 366,928.53 is: 506,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,843.10 : 881,601.62 = 366,928.53 : x
  2. Step 2: Convert to fraction form
    638,843.10/881,601.62 = 366,928.53/x
  3. Step 3: Cross multiply
    638,843.10x = 881,601.62 × 366,928.53
  4. Step 4: Simplify right side
    638,843.10x = 323,484,784,637.58
  5. Step 5: Solve for x
    x = 323,484,784,637.58/638,843.10
  6. Step 6: Final answer
    x = 506,360.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.